A conditional ceasefire between the United States and Iran has provided markets with a welcome – if tentative – reprieve following a period of heightened geopolitical tension. The agreement, set to last for two weeks, is contingent on a critical requirement: the continued free flow of maritime traffic through the Strait of Hormuz, a vital artery for global energy supply.
The Strait of Hormuz remains the central factor shaping market sentiment. As the only sea passage connecting the Persian Gulf to the open ocean, it facilitates the transit of approximately 20% of global oil supply. The reopening of the Strait, however conditional, has therefore been the single most important development for financial markets, significantly reducing immediate disruption risk and stabilising investor sentiment.
Financial markets have responded decisively to the easing of worst-case scenarios. Oil prices, which had surged above $100 per barrel earlier in the week, have fallen sharply overnight, with Brent crude declining approximately 13.6% to $94.50 per barrel and U.S. crude dropping around 14.3% to $96.80. Equity markets rebounded strongly, with Japan’s Nikkei closing up over 5%, the Europe’s Stoxx 600 gaining 3.6% and a 2.6% advance occurring in the FTSE 100, with U.S. futures up more than 2.5% (at time of writing). Despite this relief, oil prices are unlikely to return to pre-conflict levels of around $70 per barrel in the near term, reflecting the physical and geopolitical damage sustained in the region.
While the ceasefire represents a welcome easing of tensions, it remains a developing and closely monitored situation. Reports of missile and drone activity across the Gulf continue, prompting several countries in the region to maintain heightened air‑defence readiness. Meanwhile, negotiations over Iran’s nuclear programme are likely to be complex and drawn out, suggesting that geopolitical uncertainty may linger, but within a more stable near‑term backdrop.
For investors, recent developments reinforce an important principle: geopolitical shocks tend to drive short-term volatility rather than long-term structural change. The sharp sell-off and subsequent rebound highlight how quickly sentiment can shift once worst-case scenarios begin to recede. The reopening of the Strait of Hormuz has alleviated the most immediate systemic risk, enabling markets to stabilise, although underlying tensions suggest volatility may remain elevated in the near term.
For long-term investors, periods of dislocation such as this can present compelling opportunities. Market movements driven by uncertainty and sentiment, rather than fundamentals, often create attractive entry points for those able to look beyond short-term noise. Maintaining a disciplined, long-term perspective remains essential in navigating periods of geopolitical uncertainty.
Kate Mimnagh, Portfolio Economist
